﻿#region Apache License
//
// Licensed to the Apache Software Foundation (ASF) under one or more 
// contributor license agreements. See the NOTICE file distributed with
// this work for additional information regarding copyright ownership. 
// The ASF licenses this file to you under the Apache License, Version 2.0
// (the "License"); you may not use this file except in compliance with 
// the License. You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
//
#endregion

using log4net.Appender;
using NUnit.Framework;

namespace log4net.Tests.Appender;

/// <summary>
/// Used for internal unit testing the <see cref="AppenderCollection"/> class.
/// </summary>
/// <remarks>
/// Used for internal unit testing the <see cref="AppenderCollection"/> class.
/// </remarks>
/// <author>Carlos Muñoz</author>
[TestFixture]
public class AppenderCollectionTest
{
  /// <summary>
  /// Verifies that ToArray returns the elements of the <see cref="AppenderCollection"/>
  /// </summary>
  [Test]
  public void ToArrayTest()
  {
    AppenderCollection appenderCollection = [];
    IAppender appender = new MemoryAppender();
    appenderCollection.Add(appender);

    IAppender[] appenderArray = appenderCollection.ToArray();

    Assert.That(appenderArray, Has.Length.EqualTo(1));
    Assert.That(appenderArray[0], Is.EqualTo(appender));
  }

  [Test]
  public void ReadOnlyToArrayTest()
  {
    AppenderCollection appenderCollection = [];
    IAppender appender = new MemoryAppender();
    appenderCollection.Add(appender);
    AppenderCollection readonlyAppenderCollection = AppenderCollection.ReadOnly(appenderCollection);

    IAppender[] appenderArray = readonlyAppenderCollection.ToArray();

    Assert.That(appenderArray, Has.Length.EqualTo(1));
    Assert.That(appenderArray[0], Is.EqualTo(appender));
  }
}